Machine for operating upon heels.



J. H. POPE.

MACHINE FOR OPERATING UPON HEELS.

APPLICATION FILED DEO.14, 1909.

1,086,214. Patented Feb. 3, 191-4.

2 SHEETSSHBET l.

l 131 R 4 2 2 ll 50 68 69 70 0 1' 4 3 2| I 16 E E 66 72 13 I 51 I 73 6'4 22 20. 32 O 10 60 7 76 V v A v 92 92 mAxmmm 9- i 66 Y 62 witnesses,

J. H. POPE.

MACHINE FOR OPERATING UPON HEELS.

APPLICATION FILED DEO.14, 1909.

1,086,214. Patented Feb. 3, 1914.

2 SHEET S-SHEBT 2 w IIHIIIHH ggiilucmcg I. 222: 7 64 M UNITED STATES PATENT OFFICE.

JOSEPH H. POPE, 0F HAMILTON, MASSACHUSETTS, ASSIG-NOR TO UNITED SHOE MACHINERY COMPANY, OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

Application filed December 14, 1909. Serial No. 533,002.

To all whom it may concern:

Be it known that I, JosEPH H. Porn, a

citizen of the United States, residing at of the breast and heel seat of a heel blank,

and also for trimming off the surplus material at the ends of a rand attached to said blank.

Heretofore it has been customary to subject heel blanks, which are composed of a number of lifts secured together by cement, to the action of a heel-compressing machine which through the instrumentality of suit-able dies compressed the blanks under great pressure and formed afco-ncavity in the surface which was subsequently to be attached to the heel seat of a shoe. In some instances, also, the dies have been constructed to condense the material of the blank at the corner formed at the junction of the breast and heel seat concavity in order to bevel or round off this part of the blank. The removal of this corner prevented the surface of the sole at the shank from being indented when the heel was forced against the shoe by the heel attaching machine, and thereby avoided thevappearance of a defacing mark on the sole when the surplus material wasremoved from the heel by the subsequent operation of the heel breasting machine. By reason of the fact that the condensed material of. the blank at the edge of the heel was sometimes detached by the knife of the heel breasting machine and forced against the sole, thereby producing a mark thereon, it has been proposed to cut off this part of the heel blank by a knife, in lieu of removing it by compression, and some machines have accordingly been designed with this end inview.

The present invention contemplates certain improvements on machines of this type, and in connection therewith provides also for removing the surplus material at the ends of the rand which ordinarily project more or less beyond the breast end of the MACHINE FOR OPERATING UPON HEELS.

Specification of Letters Patent.

Patented Feb. 3,1914.

heel blank, and under thepresent practice existing in shoe factories are trimmed off in a subsequent operation, usually performed by hand.

An important feature of the present invention accordingly consists in combining means for removing the corner at the junctlon of the breast and seat of a heel blank, with means for removing the surplus materlal from the ends of a rand which is attached to said blank. As shown .in the embodiment of the invention herein selected for illustration, the stock at this corner of the blank is removed by a knife which is preferably supported for movement about a suitably located center, the surplus material is removed from the ends of the rand by a knife which is similarly supported for movement, and suitable means is provided for positioning the blank relatively to said knives, whereby, through appropriate connections with the, power shaft of the machine, the knives will be caused to move, alternately, toward and from the work to bevel or round off the corner of the blank, and to trim off the ends of the rand. In connection with such arrangement, I also preferably provide suitable means to 'clamp the blank in position for action thereon by the two knives, in the manner stated, which automatically actuated in timed relation to the cutting strokes of .the knives so as toclamp a blank in p0si= the corner from a heehblank, and for trim-' ming off the ends of a rand, means automatically actuated, for clamping a blank in position therefor prior to the operation of either of said mechanisms, vand for releasing the blank subsequently thereto. The clamping means referred to is preferably moved into and out of clamping position through connections with the power shaft ofthe machine, and, in order to provide for properly timing the movements of the clamping means relatively to the movements of the devices which remove stock from the blank, a variable speed gearing under the control of the operator may be interposed in said connections.

A further feature of the invention consists in the provision of means for adjusting, independently, either of the knives heretofore referred to, in order that the path of movement of the heel edge-trimming knife, or of the rand trimming knife, may be so varied at the will of the operator as to produce a bevel at the junction of the seat and breast of the heel or to trim away the ends of the rand, on any desired inclination. This feature is of especial importance in that it permits the operator to so set the knives that the bevel at the heeledge may be carried back toward the rear of the heel, or, as a matter of depth, be'extended in the direction of the breast line toward the tread surface of the heel, any predetermined distance, and also that the inclination or bevel formed in severing the ends of the rand may extend back an appropriate distance to accord with the bevel being formed at said heel edge. One arrangement for obtaining such adjustments consists in sup orting the knives for movements toward and from the Work about ivotal axes, as heretofore suggested, an in providing a suitable guideway along which such axes may be moved in a manner to vary the angular relation of the cutting edges of the knives to the work. In addition to this arrangement, the knives may be connected for further pivotal adjustments with the members upon which they are supported'on axes which are independent of those about which the knives turn in their movements toward and from the work.

These, and other features of the invention, including important details of construction and combinations of parts, will be hereinafter more particularly described and claimed.

In the drawings :-F igure 1 represents a longitudinal sectional view of a machine embodying the present invention, on the line 1-1, Fig. 2. F' .2 is a sectional lan view of the machine s own in Fig. 1 without the heel-positioning and clam ing devices, certain portions of the top 0 the frame being broken away to more clearly show the parts thereunder. Fig. 3 is a detail view, showing in plan the eel-positioning devices and the heel clamp. Fig. 4 illustrates another detail.

The main frame 1 of the machine supports in suitable bearings, 12, a rotatable power shaft, 3, which may have thereon the usual loose pulley 5, and fast pulley 7 The shaft 3 is also shown as being formed or provided with crank arms 9, carrying a crank pin 10 to which is clamped the two-part sleeve-bearing 11 carried by one end of a link 14. The opposite end of this link is pivotally connected, through a stud or pin 16, with two rocker arms 18 at a suitable point intermediate the ends of said arms which latter are pivotally supported at their lower ends, through studs or pins 20, upon two segmental guides 22, havin therein curved ways 34, to be hereinafter escribed. The upper end of each of the arms 18 is joined for pivotal movements to the inner extremities of two links 26, and two links 40, by suitable pivot pins 24, the links 26 and 40 being, as shown in Fig. 2, arranged in pairs with the members thereof disposed a suitable distance apart on opposite sides of thecenter of the machine frame. Each of the links 26 is shown as being forked at its inner end to receive the inner end of a link 40 where it isjoinedto the latter and to the end of a rocker arm 18 through a pin 24. The outer ends-of links 26 are shown as having intnrned, sleeved extensions 27, which are centrally bored to receive a pivot pin 28, through which the links are connected with an arm 30. The lower part of this arm, as shown in Fig. 2, is preferably of a width to extend between and fit snugly against, the opposite inner faces of the segmental guides 22 in such manner as to support the arm against lateral movement but to permit it to slide freely along between these faces, and the lower end of the arm is provided with a transverse-bore to receive a wardly on their threads, the bolt will be un clamped from the frame, and may be moved along the slots 34 to adjust the position of the lower end of the arm; and, when so adjusted, the nuts may be turned oppositely to again clamp the bolt to the frame, and thereby hold the arm in the position to which it was moved. To the upper .end portion of the arm 30 is connected, through a ivot bolt 36 and clamping nut thereon, a nife carrier 37 to which is suitably secured a knife 38, provided with angular cutting edges, as shown in Fig. 2, or of any other construction which adapts it to bevel or cut off the upper corner of a heel blank at the point where the breast joins the seat. The

pivot bolt 36 and clamping nut permit adjustments of-the knife 38 to vary the bevel formed in the operation of cutting off the corner from the heel breast, independently of the adjustments which are afforded by the .washers 4:6. The arms 42 sustain at their movements of the bolt 32 in the slots 34, and by combining these two adjustments the depth, as well as the degree of inclination of the cut, may be varied to greater extents than would be possible through the use of either one of these means for controlling the path of movement of the knife.

The outer ends of the links 10 are shown as being provided with inturned sleeves or bosses 41, which are provided with bores to receive suitable pivot studs or pins 44 for connecting these links, respectively, with the upper end portions of two spaced rocker arms 42. The lower ends of these arms may be provided with'pivot bolts 51, which, re

spectively, are received within the slots '34- of the segmental guides such studs being preferably threaded at their outer end portions to receive clamping nuts 45, between which and the frame may be interposed upper ends a knife carrier 43, which may be adjustably secured thereto by a pivot bolt 50 and suitable clamping nut thereon, in similar manner to the knife carrier 37 and a knife 48 is fastened to the carrier 43, as shown. The construction of this knife is such as to adapt it to trimoff the two endthe surplus material at the ends of a rand on a bevel which will be inclined .in proper proportion to the amount of bevel produced by the knife 38 in cutting ofi the edge of the heel breast, and the adjustments of the two knives may thus be made with reference to each. other-in accordance with the requirements of the work.

The heel blank is adapted to be supported in appropriate position for the operation of the heel beveling knife and the rand trimming knife upon a rest or support, and is held thereon against the thrust of the knives by means which is actuated automatically to clamp the blank to the rest before the operation of the knives, and to release the blank immediately thereafter. This heel rest preferably comprises two members 122, which are sustained at a suitable inclination upon an appropriately inclined face formed on an upwardly projecting portion 125 of a plate or cover 121, which is preferablyhinged by a pin 123 to the forward extrem- 1ty of a rigid horizontal cover section 120 of the machine frame, (see Fig. 1). The

projection 125 is shown as being formed with a transverse dove-tailed groove 12 1' to receive the dove-tailed blocks 126 having the stud bolts 128 which, respectively,- pro ect through perforations formed in the rest members 122, and thebolts 128 are threaded at their ends to receive clamping nuts 130. By this construction, the members 1220f the heel-rest may be adjusted transversely of the frame in order to be properly spaced apart for supporting a blank of any given size, and may then be securely held in adjusted position. The lower ends of the rest members are shown as rovided with openings131, which are pre erably formed with oppositely beveled walls, flaring outwardly, as shown in Fig. 1. In the rear portion of the cover section 121 is formed an elongated, inclined slot 107 to receive and assist in guiding the supporting member 108for a heel clamp 110. The heel clamp has two slots 112 to receive the two stud bolts .114 which project from the member 108 and are externally threaded and provided with clamping nuts 116 for ho ding the heel clamp in different positions of adjustment on-said member. The clamp is also shown as having an angularly projecting foot 118, which is arranged to engage the top of a heel blank when the clamp is actuated and hold the blank firmly against the heel rest members 122 during the operation'of the lmives. Two gages 133 are preferably located upon opposite sides of the foot 118 of the clamp, and serve to determine thelateral position of a blank relatively to the knives, and. to assist the operator in properly guiding theblank when he places it on the rest 122, and beneath the clamp. Theseslots 135 through which pass stud-bolts 137,

which project rigidly from the cover 121, the stud bolts having screw-threads thereon to receive clamping nuts 139. By this construction, the gages may be suitably adjusted the proper distance from each other, according to the width of the blank which is to be presented to the machine, and may be firmly secured in adjusted position.

As .herein represented, the heel blank clamp is operated by power derived from the shaft 3 through suitable mechanism which permits of adjustment so as to control, variably, the time occupied by the clamp in moving toward and from a heelblanksupported on the rest, in order-that such movements may be in proper timed relation to the cutting movements of the knives. Referring now to this mechanism, the shaft 3 is shown as being provided with a disk 60, which may be formed with a square aperture or key- The disk 62 may be fast to one endof a shaft 64 the opposite end of which is reduced and has bearing in the angular extension of an adjustable supporting rod 68, and the reduced end portion of the shaft is threaded and has applied thereto the nuts 66, for securing it to the rod. The rod 68 is shown as passing through a perforation in a boss 1 69, extending from a rigid part of the frame of the machine, and is preferably externally threaded to receive two clamping nuts 70, 72, which bear, respectively, against the outer wall of the frame and the inner end of the boss, whereby the adjusting rod, and hence the friction disk 62 and its shaft, may be adjusted for positioning said disk different distances from the center of the disk 60, without, however, disturbing the operative engagement between the disks. The shaft 04, in the construction shown, carries a worm gear 73 which may be connected thereto by a key-way and key, or by other suitable means permitting the shaft 64: to slide in the gear during the adjustments of the friction disk 62. The worm gear 73 meshes with a worm pinion 80, which is fast on a shaft 82, rotatably supported in suitable bearings provided therefor in the machine frame, as shown in'Fig. 2. The shaft 82 has keyed or otherwise secured thereto, two eccentrics 84;, the straps 86 of which carry arms 88 which are shown as being pivotally connected at their lower ends, through a pin 90, to one arm of a lever 92, suitably fulcrumed on a shaft 94, supported from the frame. The other arm 920, of the lever 92, is shown as supporting anti-friction rolls 96, which are confined between a collar 100, fixedto the rod 98, and a spring 102 which surrounds the rod and is held thereon by the nuts 104:, having threaded engagement with the end Of-tlle rod. The rod 98 is herein represented as being bifurcated at its upper extremity in order to provide spaced arms 104, which are,

respectively, pivotally joined by pins 106, or similar means, to suitably spaced lugs projecting from the lower. part of the heel blank clamp support 108, as shown in Fig. 1. The

described mechanism for actuating the clamp is so constructed and arranged that said clamp will be alternatelylowered and raised to hold a heel blank against the rest 122, and to release it, in proper timed relama am tion to the movements of the knives 38 and 48; and by adjusting the position of the disk 62, whereby it is located at different distances from the center of the disk 60, the time occupied by said mechanism in moving the clamp into and out of clamping relation to the blank may be controlled. In the movementof the arm 920 of the lever 92 downwardly to cause a heel blank to be clamped against the rest, the. spring 102 will yield, more or less, according to the thickness of the blank, and thereby provide the necessary amount of lost motion in. the clamp-actuat ing mechanism to compensate for the variations in height presented by heels of different styles and sizes. The yielding action of this spring is-also of advantage in that it permits a certain amount of idle movement of the eccentrics 84 and their connections while the clamp remains in clalnping 'position, in order that a blank may be held on the rest long enough 'to permit both of the knives to fully act thereon.

It will be ebserved" that in the machine herein shown and described the devices for positioning a heel blank and theclamp and its carrier are located above the knives on the hinged cover, 121, and that the clamp carrier 108 is guided in its movements toward and from the blank by devices also located on said cover. With this arrangement, if the pins 106 are removed to disconnect the rod 98 from the clamp carrier, the cover may belifted to permit access to the knives and the mechanism below the cover for inspection or repairs of the several parts.

In the operation of the machine above described, power being first applied through a belt, or the like, from any suitable source to the tight pulley 7 to efi'ect rotation of the shaft 3, the connections from said shaft to the rocker arms 30 and 42 will cause these arms to oscillate, and carry the knives 38 v When the clamp is elevated sufficiently above the rests 122, the operator will place a heel blank H, with a rand R attached ,thereto, on the rest members 122 in the position shown in Fig. 1, the blank being properly centered and guided to position by the gages 133, andf-he clamp will descend until the foot 118 thereon engages the blank and clamps it to the support. Following this operation, the knives will be operated, in turn, to cut away the corner at the junction of the breast and seat of the heel, on a suitable bevel, and to trim off the ends of the rand, .on a suitable bevel. The; clamp will then be raised to enable the operator to remove that particular heel blank from the machine and to insert in its place another blank which is to be subjected to the same operations. The bevels produced by the knives 38 an 4.8 in removing the corner from the heel, andin trimming of the ends of the rand, may be varied at the will of the operator to suit various conditions and requirements of the work, by loosening the clamping nuts 33 and 45 and moving the bolts 32and 51 to the desired positions along the slots 34, and then turning the nuts in a direction to again clamp the bolts tightly to the frame. These adjustments of the bolts are permitted by the pivotal connections between the arms 30 and 42 and the outer ends of links 26 and 40, respectively, and by like connections between the inner ends of said links and the arms 18, without disturbing the functions of the mechanism for oscillating the knives from the crank arm 10. A further adjustment of the knives to control the degree of the bevels produced may be efl'ected through the bolts 36 and 50, and their clamping nuts, whereby the angular relations between the cutting edges of theknives and their supporting rocker arms may also be varied.

Having explained the nature of this invention and described one construction embodying the same, I claim as new and desire to secure by Letters Patent of the United States 1. In a machine of the class described, the combination with means for removing the corner from a heel blank, of means operating in time relation therewith for removing the surplus material from the ends of a rand attached .to said blank.

2. In a machine of the class described, the combination with means for forming a bevel at the junction of the breast and seat of a heel blank, of means operating in time relation therewith for removing the surplus material from the ends of a rand attached to said blank.

3. Ina machine of the class described, the

combination with a work support, of means for removing the corner from a heel blank sustained on said work support and means for removing the surplus material from a rand attached to said blank.

4. In a machine of the-class described, the combination with a work support, of means for forming a bevel at the junction of the breast and seat of a heel blank sustained on said work support and means for removing the surplus material from a rand attached to said blank.

5. In a machine of the class described, the combination with a work support, of a heel blank beveling knife and a rand end trimming knife associated therewith, and means for actuating said knives.

6. In a machine of the class described, the combination with a work support, of a heel knife arranged for movements relatively to 7 said support, and means for actuating-said knives.

7. In a machine of the class described, the combination with a work support, of a heel blank beveling knife and a rand trimming knife arranged for movements relatively to said support, and means for alternately actuating said knives.

8. In a machine of the class'described, the combination with a work support, of means for forming a bevel at the junction of the breast and seat of a heel .blank sustained on said support and means for trimming off at a bevel the surplus material from a rand attached to they blank, said machine including means for varying said bevels.

' 9. In a machine of the class described,.the

combination with a' work support, of means for forming a bevel at the junction of the breast and seat of a heel blank sustained on said support and for trimming off at a bevel the surplus material from a rand attached to the blank, said machine including means for relatively varying said bevels.

10. In a machine of the class described, the combination with a work support, of a heel blank beveling knife and a rand trimming knife arranged for movements rela-- tively to said support, said heel blank beveling knife having capacity for adjustment to vary the bevel produced thereby.

11. In a-machine of the class described, the combination with a work support, of a heel blank beveling knife and a rand trimming knife arranged for movements relatively to said support, said rand trimming knife having capacity for adjustment to varyv the bevel produced thereby in removing' the surplus material from a rand.

12. In a machine of the class described, the combination with'a work support, of a knife for removing the corner from a heel blank, and a knife for trimmin off the ends of a rand attached to theblan means for actuating said knives, and means for determining the inclination of the paths of 'movement of said knives relatively to the work. 13. In.a machine of the class described, the combination with means for sustaining a heel blank, of a rand trimming knife and a heel beveling knife arranged on opposite sides of said means, and mechanism for effecting alternate reciprocating movements of said knives toward and from the work.

ciprocatory beveling knives arranged, respectively, on opposite sides of said work support, and constructed to remove the corner from a heel blank and to trim off the ends of a rand attached to the blank, and piv otal means for sustaining said knives.

16. In a machine of the class described, the combination with a work support, of reciprocatory beveling knives arranged on opposite sides ofsaid work support and pivotal means for sustaining said knives, said means being adjustable to -vary the angle of the bevels produced by the knives.

17. In a machine of the class described, the combination of a work support, a heel blank beveling knife, a rand trimmingknife, pivots for sustaining said knives for movements toward and from the work support, and a guide-way inwhich said pivots are arranged for adjustment to vary the angular relation of the paths of movement of the knives to the work.

18. In a machine of the class described, the combination of a work support, heel beveling and rand trimming knives arranged in operative relation thereto, arms for sustaining said knives for movements toward and from said work support, means for reciprocating said arms to cause the knives to trim off the surplus material from the work, and means connecting one of the knives with its arm arranged for adjustment to vary the angle of the bevel produced by said knife.

19. In a machine of the class described, the combination of a work support, reciprocatory heel beveling and rand trimming knives operatively arranged in relation thereto, arms for sustaining said knives for movement toward and from said work support, and means connecting each of said knives with its arm and arranged for adj 11stment to vary the angle of the bevel produced by the knife.

20. In "a machine of the class described, the combination of a work support, beveling knives operatively arranged in relation thereto, arms for sustaining said knives, pivotal supports for said arms arranged for adjustment to vary the angle of the bevels produced by the knives, and means for connecting the knives with said arms and also capable of adjustment to vary the angle of said bevels.

21. In a machine of the class described, the combination of a work support, movably supported arms located on opposite sides thereof and carrying, respectively, a heel blank beveling knife and a rand trimming knife, and means for imparting oscillating movements to said arms to cause the knives to move toward and from the work support.

neoting said arms, a pivotally sustained arm connected with said links, and mechanism for actuating the last-named arm to cause the knives to move toward and from the work support.

23. In a machine of the class described, the combination of a work support, a guideway, arms arranged on opposite sides of said work support and sustaining knives, pivotal means for supporting said arms arranged for adjustment in said guideway, pivotally-joined links having their outer ends movably connected with said arms, a rocker arm pivotally connected with said links, and means for actuating said rocker arm to effect movements of the knives toward and from the work support.

24;. In a machine of the class described, the combination with a work support, of means for removing the corner from a heel blank, means for trimming the surplus material from a rand, and means for holding the blank in position during the operation of said first-named means.

25. In a machine of the class described, the combination with a work support, of means for removing the corner from a heel blank on said support, means for trimming the surplus material from a rand, and an automatically actuated clamp for holding the blank in position during the operation of said means.

26. In a machine of the class described, the combination with a work support, of means for beveling a heel blank on said support, means for trimming a rand, and a clamp and actuating mechanism therefor constructed and arranged to hold a blank on the work support during the operation of said means, and to release it thereafter.

27. In a machine of the class described, the combination of a work support, means for beveling a heel blank, a clamp and actuating mechanism therefor constructed and arranged to hold a blank on the work sup port during the operation of said means and to release it thereafter, said mechanism including a variable speed device to control the time occupied by said clamp in moving into and out of clamping relation to a blank, and a yielding element between said device and the clamp.

28. In a machine of the class described, the combination of a work support, means for beveling a heel blank, a clamp and actuating mechanism therefor constructed and arranged for holding a blank on the work support during the operation of said means and for releasing it thereafter, and means permitting relative adjustment of operative speed of said beveling means and actuating mechanism whereby a blank may be clamped and released in proper timed relation to the operation of the beveling means.

29. In a machine of the class described,

beveling and, trimming means.

30. In a machine of the class described, the combination of a work support, a heel blank beveling knife and a rand trimming knife and actuating mechanism therefor, a clamp, and,automatic mechanism for causing the clamp to engage and release a blank in proper timed relation to'the operation of said knives including a device arranged to yield in order to compensate for bla'nks'of varying thickness.

31. In a machine of the class described,

the combination of a beveling knife, a heel blank support comprising spaced members arranged to sustain a blank in operative relation to said knife, and means, permitting independent lateral adjustment of said members, for clamping them to the frame of the machine.

32. In a machine of the class described, the combination with means for supporting a blank, of a clamp arranged for movement toward and from the topof the blank, and adjustable gages for determining the lateral position of the blank, said gages being also arranged to guide the clamp.

33. In a machine of the class described, the combination of a frame having 'a'slot therein, a work support carried by said frame, side gages for determining the lat eral position of a blank on said work support also carried by said frame, a clampsupporting member arranged for movement in said slot, and a clamp carried by said member and arranged to slide between said gages and frame in moving toward and from a blank on said work support.

34. In a machine of the class described, the combination of a frame, heel trimming devices movably supported thereby and adapted to operate on a heel blank, a cover pivoted to a fixed part of said frame and arranged over said devices, said cover being adapted to'swing entirely away from said devices to afford access thereto, and a blank rest carried by said cover constructed and arranged to sustain a blank in operative relation to said devices. Y

the combination of an inclined rest comprising spaced members arranged to sustain of said rest, and actuating mechanism therefor constructed and arranged to cause the knives to cut a corner from the blank and to trim off the ends of the rand.

36. In a machine of the class described,

the combination with a work support arranged to sustain a heel blank with an at tached rand in operative relation to trimming knives, of'knives supported for movement in inclined paths to remove the surplus material from a heel blank and rand on said support, and actuating means for said knives.

.37. In a machine of the class described, the combination with a work-support arranged to sustain a heel blank with an attached rand in operative relation to trim ming knives, of knives located on opposite sides of the work-support and arranged for movement in inclined intersecting paths toremove the surplus material from a heel blank and rand on said support.

38. In a machine of the class described,

the combination with 'means arranged to sustain a heel blank with-an attached rand in an inclined position, of trimming knives mounted for movement toward and from said means and arranged to remove the surplus material from the heel blank andrand.

39. In amachine of the class described, the combination with a work-support arranged to sustain a heel blank with an attached rand in an inclined position, of trimming knives located upon opposite sides of said support and mounted for oscillating movements toward and from the work-support to trim off the surplus material from the heel blank and rand.

40. In a machine of the class described, the combination with a work-support ar-' ranged to sustain a heel blank with an attached rand in an inclined position, of trim-' cluding a variable speed device to control the time occupied by said clamp in moving into, and out of clamping relation to a blank.

42. A machine of the class described having in combination, means for supporting a heel blank having thereon an attached rand, a rand knife formed with two separated cutting edges, and su ported for movement in a path to trim 0d the ends of the rand,

means for adjusting the degree of inclination of the knife relative to the heel blank support, and actuating means for said knife.

43. A machine of the class described having in combination, a work support arranged to sustain a heel blank with an attached rand in an inclined plane, a rand knife formed with two separated cutting edges and supported for movement in a path which intersects said plane, means for relatively adjusting the knife and work support to vary the degree of the bevel produced by said cutting edges, and actuating means to cause said knife to trim oft the ends of the rand.

In testimony whereof I have signed my 15 name to this specification in the presence of two subscribing witnesses.

JOSEPH H. POPE.

Witnesses:

ALLAN H. BARRows, BERNARD BARROWS. 

